<template>
	<view class="content">
		<view class="navbar" :style="{ position: headerPosition, top: headerTop }">
			<view class="nav-item" :class="{ current: filterIndex === 0 }" @click="tabClick(0)">综合排序</view>
			<view class="nav-item" :class="{ current: filterIndex === 1 }" @click="tabClick(1)">销量优先</view>
			<view class="nav-item" :class="{ current: filterIndex === 2 }" @click="tabClick(2)">
				<text>价格</text>
				<view class="p-box">
					<text :class="{ active: priceOrder === 1 && filterIndex === 2 }" class="yticon icon-shang"></text>
					<text :class="{ active: priceOrder === 2 && filterIndex === 2 }" class="yticon icon-shang xia"></text>
				</view>
			</view>
			<!-- <text class="cate-item yticon icon-fenlei1" @click="toggleCateMask('show')"></text> -->
			<text class="cate-item yticon icon-fenlei1" v-if="current == 0" @click="toShowMode('false')"></text>
			<text class="cate-item cgicon icon-vertical" v-else-if="current == 1" @click="toShowMode('true')"></text>
		</view>
		<!-- 表格图片显示 -->
		<view class="goods-list" v-show="current === 0">
			<view v-for="(item, index) in goodsList" :key="index" class="goods-item" @click="navToDetailPage(item)">
				<view class="image-wrapper">
					<image :src="item.pic" mode="aspectFill"></image>
				</view>
				<text class="title clamp">{{ item.name }}</text>
				<view class="price-box" v-if="item.isFenxiao == 1">
					<text class="price">{{ item.price }}</text>
					<text>佣金 ¥{{ item.fenxiaoPrice }}</text>
				</view>
				<view class="price-box" v-if="item.isVip == 1">
					<text class="price">会员价{{ item.vipPrice }}</text>
					<text>商品价 ¥{{ item.price }}</text>
				</view>
				<view class="price-box" v-else-if="item.isFenxiao == 0 && item.isVip == 0">
					<text class="price">{{ item.price }}</text>
					<text>已售 {{ item.sale }}</text>
				</view>
			</view>
		</view>
		<!-- 列表显示 -->
		<view class="goods-list-vertical" v-show="current === 1">
			<view v-for="(item, index) in goodsList" :key="index" class="goods-item-vertical" @click="navToDetailPage(item)">
				<view class="image-wrapper-vertical">
					<image :src="item.pic" mode="aspectFill"></image>
				</view>
				<view class="goods-list-right">
					<view class="goods-right-top">
						<text class="">{{ item.name }}</text>
					</view>
					<view class="goods-right-bottom">
						<text class="price">{{ item.price }}</text>
						<text class="sale">已售 {{ item.sale }}</text>
					</view>
				</view>
			</view>
		</view>

		<uni-load-more :status="loadingType"></uni-load-more>

		<view class="cate-mask" :class="cateMaskState === 0 ? 'none' : cateMaskState === 1 ? 'show' : ''" @click="toggleCateMask">
			<view class="cate-content" @click.stop.prevent="stopPrevent" @touchmove.stop.prevent="stopPrevent">
				<scroll-view scroll-y class="cate-list">
					<view v-for="item in cateList" :key="item.id">
						<view class="cate-item b-b two">{{ item.name }}</view>
						<view v-for="tItem in item.child" :key="tItem.id" class="cate-item b-b" :class="{ active: tItem.id == cateId }"
						 @click="changeCate(tItem)">
							{{ tItem.name }}
						</view>
					</view>
				</scroll-view>
			</view>
		</view>
		<mallplusCopyright></mallplusCopyright>
	</view>
</template>

<script>
	import mallplusCopyright from '@/components/mall-copyright/mallplusCopyright.vue';
	import Api from '@/common/api';
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	export default {
		components: {
			mallplusCopyright,
			uniLoadMore
		},
		data() {
			return {
				cateMaskState: 0, //分类面板展开状态
				headerPosition: 'fixed',
				headerTop: '0px',
				keyword: '',
				loadingType: 'more', //加载更多状态
				filterIndex: 0,
				cateId: 0, //已选三级分类id
				productAttributeCategoryId: 0,
				pageNum: 1,
				isFenxiao: 0,
				isVip: 0,
				cid: null,
				priceOrder: 0, //1 价格从低到高 2价格从高到低
				cateList: [],
				goodsList: [],

				current: 0 // 1为列表模式
			};
		},

		onLoad(options) {
			console.log(options);
			// #ifdef H5
			this.headerTop = document.getElementsByTagName('uni-page-head')[0].offsetHeight + 'px';
			// #endif
			this.keyword = options.keyword;
			this.cateId = options.sid == undefined ? '' : options.sid;
			this.isVip = options.isVip == undefined ? '' : options.isVip;
			this.isFenxiao = options.isFenxiao == undefined ? '' : options.isFenxiao;
			console.log(options);
			this.productAttributeCategoryId = options.productAttributeCategoryId == undefined ? '' : options.productAttributeCategoryId;
			this.loadCateList(options.fid, options.sid);
			this.loadData();
		},
		onPageScroll(e) {
			//兼容iOS端下拉时顶部漂移
			if (e.scrollTop >= 0) {
				this.headerPosition = 'fixed';
			} else {
				this.headerPosition = 'absolute';
			}
		},
		//下拉刷新
		onPullDownRefresh() {
			this.pageNum = 1;
			this.loadData('refresh');
		},
		//加载更多
		onReachBottom() {
			this.pageNum = this.pageNum + 1;
			this.loadData();
		},
		methods: {
			toShowMode(mode) {
				if (this.current == 0) {
					this.current = 1;
				} else {
					this.current = 0;
				}
			},
			//加载分类
			async loadCateList(fid, sid) {
				let params = {};
				let list = await Api.apiCall('get', Api.goods.typeList, params);
				let cateList = list.filter(item => item.pid == null);

				cateList.forEach(item => {
					let tempList = list.filter(val => val.pid == item.id);
					item.child = tempList;
				});
				this.cateList = cateList;
			},
			//加载商品 ，带下拉刷新和上滑加载
			async loadData(type = 'add', loading) {
				//没有更多直接返回
				if (type === 'add') {
					if (this.loadingType === 'nomore') {
						return;
					}
					this.loadingType = 'loading';
				} else {
					this.loadingType = 'more';
				}
				let params = {
					pageNum: this.pageNum,
					pageSize: 10,
					productCategoryId: this.cateId,
					type: 1,
					productAttributeCategoryId: this.productAttributeCategoryId
				};
				if (this.cateId) {
					params.productCategoryId = this.cateId;

				}
				if (this.productAttributeCategoryId) {
					params.productAttributeCategoryId = this.productAttributeCategoryId;
				}
				if (this.keyword) {
					params.keyword = this.keyword;
				}
				if (this.isVip) {
					params.isVip = 1;
				}
				if (this.isFenxiao) {
					params.isFenxiao = 1;
				}
				let list = await Api.apiCall('get', Api.goods.goodsList, params);
				// let goodsList = await this.$api.json('goodsList');
				if (type === 'refresh') {
					this.goodsList = [];
				}
				list.records.forEach(item => {
					this.goodsList.push(item)
				});
				//筛选，测试数据直接前端筛选了
				if (this.filterIndex === 1) {
					this.goodsList.sort((a, b) => b.sales - a.sales);
				}
				if (this.filterIndex === 2) {
					this.goodsList.sort((a, b) => {
						if (this.priceOrder == 1) {
							return a.price - b.price;
						}
						return b.price - a.price;
					});
				}

				//判断是否还有下一页，有是more  没有是nomore(测试数据判断大于20就没有了)
				this.loadingType = this.goodsList.length >= list.total ? 'nomore' : 'more';
				if (type === 'refresh') {
					if (loading == 1) {
						uni.hideLoading();
					} else {
						uni.stopPullDownRefresh();
					}
				}
			},
			//筛选点击
			tabClick(index) {
				this.pageNum = 1;
				if (this.filterIndex === index && index !== 2) {
					return;
				}
				this.filterIndex = index;
				if (index === 2) {
					this.priceOrder = this.priceOrder === 1 ? 2 : 1;
				} else {
					this.priceOrder = 0;
				}
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				});
				this.loadData('refresh', 1);
			},
			//显示分类面板
			toggleCateMask(type) {
				let timer = type === 'show' ? 10 : 300;
				let state = type === 'show' ? 1 : 0;
				this.cateMaskState = 2;
				setTimeout(() => {
					this.cateMaskState = state;
				}, timer);
			},
			//分类点击
			changeCate(item) {
				this.pageNum = 1;
				this.cateId = item.id;
				this.toggleCateMask();
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				});
				this.loadData('refresh', 1);
			},
			//详情
			navToDetailPage(item) {
				//测试数据没有写id，用title代替
				let id = item.id;
				uni.navigateTo({
					url: `../../pagesA/product/product?id=${id}`
				});
			},
			stopPrevent() {}
		}
	};
</script>

<style lang="scss">
	@font-face {
		font-family: 'cgicon';
		font-weight: normal;
		font-style: normal;
		src: url('https://at.alicdn.com/t/font_1475801_65jj7c5ss9k.ttf') format('truetype');
	}

	.cgicon {
		font-family: 'cgicon' !important;
		font-size: 16px;
		font-style: normal;
		-webkit-font-smoothing: antialiased;
		-moz-osx-font-smoothing: grayscale;
	}

	.icon-vertical:before {
		content: '\e61b';
	}

	page,
	.content {
		background: $page-color-base;
	}

	.content {
		padding-top: 96upx;
	}

	.navbar {
		position: fixed;
		left: 0;
		top: var(--window-top);
		display: flex;
		width: 100%;
		height: 80upx;
		background: #fff;
		box-shadow: 0 2upx 10upx rgba(0, 0, 0, 0.06);
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 30upx;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 120upx;
					height: 0;
					border-bottom: 4upx solid $base-color;
				}
			}
		}

		.p-box {
			display: flex;
			flex-direction: column;

			.yticon {
				display: flex;
				align-items: center;
				justify-content: center;
				width: 30upx;
				height: 14upx;
				line-height: 1;
				margin-left: 4upx;
				font-size: 26upx;
				color: #888;

				&.active {
					color: $base-color;
				}
			}

			.xia {
				transform: scaleY(-1);
			}
		}

		.cate-item {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			width: 80upx;
			position: relative;
			font-size: 44upx;

			&:after {
				content: '';
				position: absolute;
				left: 0;
				top: 50%;
				transform: translateY(-50%);
				border-left: 1px solid #ddd;
				width: 0;
				height: 36upx;
			}
		}
	}

	/* 分类 */
	.cate-mask {
		position: fixed;
		left: 0;
		top: var(--window-top);
		bottom: 0;
		width: 100%;
		background: rgba(0, 0, 0, 0);
		z-index: 95;
		transition: 0.3s;

		.cate-content {
			width: 630upx;
			height: 100%;
			background: #fff;
			float: right;
			transform: translateX(100%);
			transition: 0.3s;
		}

		&.none {
			display: none;
		}

		&.show {
			background: rgba(0, 0, 0, 0.4);

			.cate-content {
				transform: translateX(0);
			}
		}
	}

	.cate-list {
		display: flex;
		flex-direction: column;
		height: 100%;

		.cate-item {
			display: flex;
			align-items: center;
			height: 90upx;
			padding-left: 30upx;
			font-size: 28upx;
			color: #555;
			position: relative;
		}

		.two {
			height: 64upx;
			color: #303133;
			font-size: 30upx;
			background: #f8f8f8;
		}

		.active {
			color: $base-color;
		}
	}

	/* 商品列表 */
	.goods-list {
		display: flex;
		flex-wrap: wrap;
		padding: 20upx 20upx 0;
		background: #fff;

		.goods-item {
			display: flex;
			flex-direction: column;
			width: 48%;
			padding-bottom: 40upx;

			&:nth-child(2n + 1) {
				margin-right: 4%;
			}
		}

		.image-wrapper {
			width: 100%;
			height: 330upx;
			border-radius: 3px;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
				opacity: 1;
			}
		}

		.title {
			font-size: $font-lg;
			color: $font-color-dark;
			line-height: 80upx;
		}

		.price-box {
			display: flex;
			align-items: center;
			justify-content: space-between;
			padding-right: 10upx;
			font-size: 24upx;
			color: $font-color-light;
		}

		.price {
			font-size: $font-lg;
			color: $uni-color-primary;
			line-height: 1;

			&:before {
				content: '￥';
				font-size: 26upx;
			}
		}
	}

	.goods-list-vertical {
		display: flex;
		flex-wrap: wrap;
		padding: 0upx 20upx;
		background: #fff;

		.goods-item-vertical {
			display: flex;
			flex-direction: row;
			height: 280upx;
			align-items: center;
			justify-content: center;
			border-bottom: 1upx solid #eeeeee;

			.image-wrapper-vertical {
				width: 240upx;
				height: 240upx;
				display: flex;
				align-items: center;
				justify-content: center;
				margin-right: 10upx;

				image {
					width: 240upx;
					height: 240upx;
				}
			}

			.goods-list-right {
				width: 470upx;

				.goods-right-top {
					height: 200upx;

					text {
						font-size: 32upx;
						text-overflow: -o-ellipsis-lastline;
						overflow: hidden;
						text-overflow: ellipsis;
						display: -webkit-box;
						-webkit-line-clamp: 2;
						-webkit-box-orient: vertical;
					}
				}

				.goods-right-bottom {
					display: flex;
					align-items: center;
					justify-content: space-between;

					.price {
						font-size: $font-lg;
						color: $uni-color-primary;
						line-height: 1;

						&:before {
							content: '￥';
							font-size: 26upx;
						}
					}

					.sale {
						color: $font-color-light;
						font-size: 28upx;
					}
				}
			}
		}
	}
</style>
